Automatic forage harvester knife sharpening method using first a

Details Automatic forage harvester knife sharpening method using first a Automatic forage harvester knife sharpening method using first a

1996-03-28

1998-04-28

Melius, Terry Lee

Harvesters

Motorized harvester

With means for reconditioning cutter or picker

56250, 56 102G, 56 7, 2411012, 241222, A01D 7510

Patent

active

057430730

ABSTRACT:
A forage harvester is provided with a rotatable cutterhead (9), a solid cylindrical grinding stone (15), a motor (33) for moving the stone (15) along a path adjacent the cutterhead (9) and an adjustment mechanism for moving the stone (15) towards the cutterhead (9). During the final stage of the sharpening cycle the stone (15) is automatically moved along the path at a substantially lower speed in order to improve the finishing of the cutterhead (9), such that the shearbar (11) can be adjusted closer to the rotating cutterhead (9).

REFERENCES:
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patent: 3889887 (1975-06-01), Wagstaff et al.
patent: 3991525 (1976-11-01), Oswald
patent: 4010576 (1977-03-01), Nissen
patent: 4019287 (1977-04-01), Goering et al.
patent: 4321773 (1982-03-01), Fleming
patent: 4746330 (1988-05-01), Johnson
patent: 4834303 (1989-05-01), McClure et al.
patent: 4991476 (1991-02-01), Chow et al.
patent: 5098027 (1992-03-01), McClure et al.
patent: 5103622 (1992-04-01), Hall et al.

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